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Timeline of face masks

66 bytes removed, 18:23, 19 September 2020
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| 1927 || || || American bacteriologist {{w|Edwin O. Jordan}} publishes his definitive study, which determines that masks are effective when worn by patients already sick or by those directly exposed to victims, including nurses and physicians. Jordan also acknowledges, however, that “masks are uncomfortable and inconvenient, as anyone who has worn them can testify” and require a great deal of “discipline, self-imposed or other.”<ref name="healthaffairs.orgrr">{{cite web |title=Flu Masks Failed In 1918, But We Need Them Now |url=https://www.healthaffairs.org/do/10.1377/hblog20200508.769108/full/ |website=healthaffairs.org |accessdate=17 September 2020}}</ref> || {{w|United States}}
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| 1929 || {{w|Influenza}} | |Hospital use | ""At | Professor Marchoux at the {{w|National Academy of Medicine’s session yesterday, the knowledgeable Professor Marchoux made an announcement of the greatest interest and relevance today; he Medicine}} recommends, particularly for doctors and hospital staff, wearing a light structure, hat veil or mask, in addition to spectacles, on the face, so as in order to protect against the projection of septic droplets when from flu patients under treatment sneeze, cough or speak.” (Le Journal, 13 February 1929)"<ref name="newseye.euv"/> ||{{w|United States}}
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| 1929 || {{w|Meningitis}} || || During a meningitis outbreak in China, the government encourages citizens to use masks and avoid public gatherings.<ref name="sixthtone.comt"/> || {{w|China}}
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| 1930 || Surgical wound infection || Hospital use || Walker publishes data confirming the value of face masks in preventing infection of surgical wounds.<ref name="Spooner"/> ||
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| 1934 || {{w|Influenza}} || || An influenza epidemic in Japan triggers a different relationship with masks for the citizens, that of social courtesy. Infected people become conscientious about not passing on germs to others, and masks are no longer only worn by healthy individuals trying to avoid illness.<ref name="indiabioscience.orges"/> || {{w|Japan}}
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| 1935 || || || Facemasks are mentioned in an edition of the book ''Assistance for operating staff''.<ref name="Fangerau"/> ||
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